Support dhcp client on gateway on extern interfaces.

conf/post_decalrations.conf

@@ -207,6 +207,14 @@ for _ip in $log_ips ; do
    log_ip_arr+=("$_ip")
 done
 
+# ---
+# - Network Devices local DHCP Client
+# ---
+declare -a dhcp_client_interfaces_arr
+for _dev in $dhcp_client_interfaces ; do
+   dhcp_client_interfaces_arr+=("$_dev")
+done
+
 # ---
 # - IP Addresses DHCP Failover Server
 # ---